Senko-san
38 lines
988 B
Bash
38 lines
988 B
Bash
# Preflight checks. Fail loud and early with actionable messages.
|
|
|
|
check_docker() {
|
|
if ! command -v docker >/dev/null 2>&1; then
|
|
ui_err "$(t err_need_docker)"; exit 1
|
|
fi
|
|
if ! docker info >/dev/null 2>&1; then
|
|
ui_err "$(t err_docker_daemon)"; exit 1
|
|
fi
|
|
if ! docker compose version >/dev/null 2>&1; then
|
|
ui_err "$(t err_need_compose)"; exit 1
|
|
fi
|
|
}
|
|
|
|
check_openssl() {
|
|
if ! command -v openssl >/dev/null 2>&1; then
|
|
ui_err "$(t err_need_openssl)"; exit 1
|
|
fi
|
|
}
|
|
|
|
# is_port_free PORT — best effort; returns 0 if nothing seems to listen on it.
|
|
is_port_free() {
|
|
local port="$1"
|
|
if command -v lsof >/dev/null 2>&1; then
|
|
! lsof -nP -iTCP:"$port" -sTCP:LISTEN >/dev/null 2>&1
|
|
elif command -v nc >/dev/null 2>&1; then
|
|
! nc -z localhost "$port" >/dev/null 2>&1
|
|
else
|
|
return 0 # can't check — assume free
|
|
fi
|
|
}
|
|
|
|
preflight() {
|
|
check_docker
|
|
check_openssl
|
|
ui_ok "$(t preflight_ok)"
|
|
}
|